This is a part of Costco's Hot Buys this week. Previous deals from Gearbite have been for ~$600, so $500 is a bargain!
I have a Dreame V9 that I bought 2 years ago. It's still going strong and is a great vacuum.
Costco's description:
12-Cone Cyclone Separation technology to filter out dust, dirt and hair. This cyclone filtration system works at 99.97% dust filtering efficiency, preventing dust from re-entering your house and also preventing the filter itself from growing clogged, providing 63% longer filter life than traditional cartridges. Swappable Battery and 0.6L Detachable Dust Bin. All elements are washable. 7-Stage Noise Reduction, so you can tidy up without fear of disturbing others in the next room.
Lightweight design of the Dreame T20 makes it easy to use and carry from room to room. Comes with multiple accessories which satisfy all your needs in home vacuuming, Intelligent All-Surface Brush. Smart All-Floor-Type Brush with Floor-type recognition and suction power adjustment. Anti-Hair Tangling design. Large battery provide up to 70 mins super-long run time. Full Colour LCD Screen provides real time working status and maintenance information. 125,000 RPM Motor, 25,000Pa suction force.
Awaiting new bargain from Gearbite.